/* tidemail: monochrome editorial. Spec: TIDEMAIL_DESIGN_SPEC.md */

@font-face {
  font-family: "Archivo Black";
  src: url("/assets/fonts/archivo-black-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo Black";
  src: url("/assets/fonts/archivo-black-400-ext.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-400-ext.woff2") format("woff2");
  font-weight: 400 500; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --paper: #ffffff;
  --ink: #0d0d0d;
  --accent-red: #e02b18;
  --accent-green: #1a8730; /* spec #22B33F darkened (same hue) to pass AA: 2.8:1 → 4.6:1 on white */

  --chrome-100: #fafafa;
  --chrome-80: #d6d6d6;
  --chrome-50: #9a9a9a;
  --chrome-30: #4a4a4a;
  --chrome-10: #121212;

  --s-1: 8px; --s-2: 16px; --s-3: 24px; --s-4: 32px;
  --s-5: 48px; --s-6: 64px; --s-7: 96px; --s-8: 128px; --s-9: 192px;
  --gutter: clamp(20px, 4.5vw, 88px);

  --font-display: "Helvetica Now Display", "Archivo Black", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Helvetica Neue", "Inter", Arial, sans-serif;

  --t-hero: clamp(72px, 17vw, 300px);
  --t-xl: clamp(40px, 6.2vw, 104px);
  --t-md: clamp(28px, 3.4vw, 56px);
  --t-lg: clamp(15px, 1.25vw, 22px);
  --t-sm: clamp(12px, 0.85vw, 15px);

  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 500 var(--t-lg)/1.35 var(--font-body);
  letter-spacing: 0.01em;
  text-transform: uppercase;
  overflow-x: clip;
}

h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.section--ink :focus-visible, .footer :focus-visible { outline-color: var(--accent-green); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: var(--gutter); top: -100px; z-index: 20;
  padding: var(--s-2) var(--s-3);
  background: var(--ink); color: var(--paper);
  font-size: var(--t-sm); text-decoration: none;
}
.skip:focus { top: var(--s-2); }

/* Sections: full-bleed, no container. Spacing lives only here. */
.section {
  --pad: var(--s-9);
  position: relative;
  padding: var(--pad) var(--gutter);
  background: var(--paper);
}
.section--ink { background: var(--ink); color: var(--paper); }

@media (max-width: 760px) {
  .section { --pad: var(--s-6); }
}

/* The diagonal: a section's top edge is cut on a slant and pulled up over the previous
   section's bottom padding, so the edge only ever crosses padding, never text.
   --edge stays below the smallest bottom padding (64px on phones). */
:root { --edge: clamp(32px, 8vw, 150px); }
@media (max-width: 760px) { :root { --edge: clamp(24px, 6vw, 40px); } }
.edge--down, .edge--up {
  margin-top: calc(-1 * var(--edge));
  padding-top: calc(var(--pad) + var(--edge));
}
.edge--down { clip-path: polygon(0 0, 100% var(--edge), 100% 100%, 0 100%); }
.edge--up { clip-path: polygon(0 var(--edge), 100% 0, 100% 100%, 0 100%); }

/* Display headlines: tight, set to nearly touch their edges. */
.headline {
  font: 400 var(--t-xl)/0.88 var(--font-display);
  letter-spacing: -0.02em;
}

/* Doodles: hand-drawn marker line art, inverts with the section. */
.doodle {
  position: absolute;
  width: clamp(64px, 9vw, 150px);
  fill: none; stroke: currentColor; stroke-width: 7;
  stroke-linecap: round; stroke-linejoin: round;
  pointer-events: none;
}

/* Footer */
.footer {
  position: relative;
  margin-top: -1px; /* hide the anti-aliased seam under the last clipped section */
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-6) var(--gutter) var(--s-5);
  font-size: var(--t-sm);
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.footer__name { font: 400 var(--t-md)/0.95 var(--font-display); letter-spacing: -0.015em; }
.footer__grid {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: var(--s-4); margin-top: var(--s-5);
}
.footer__links { display: flex; flex-wrap: wrap; gap: 0 var(--s-4); }
.footer__links a { display: inline-flex; align-items: center; min-height: 44px; }
.footer__fine { max-width: 34ch; margin-top: var(--s-4); }

/* Buttons: square, solid. Inverts on ink. */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px; padding: var(--s-2) var(--s-4);
  border: 2px solid var(--ink);
  background: var(--ink); color: var(--paper);
  font: 500 var(--t-sm)/1.2 var(--font-body);
  letter-spacing: 0.04em; text-decoration: none;
}
.button:hover { background: var(--paper); color: var(--ink); }
.section--ink .button { border-color: var(--paper); background: var(--paper); color: var(--ink); }
.section--ink .button:hover { background: var(--ink); color: var(--paper); }

/* Chrome objects: liquid-metal punctuation (transparent WebP renders). They never move. */
.chrome {
  position: absolute;
  max-width: none;
  width: auto;
  pointer-events: none;
  user-select: none;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 62svh 1fr;
  min-height: 100svh;
  padding: 0 var(--gutter) calc(var(--s-5) + var(--edge));
  overflow: hidden;
}
.topbar { position: absolute; top: 0; left: var(--gutter); z-index: 2; padding-top: var(--s-2); }
.topbar__cta {
  display: inline-flex; align-items: center; min-height: 44px;
  font-size: var(--t-sm); letter-spacing: 0.02em;
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px;
}
.topbar__cta:hover { text-decoration: none; }

.chrome--hero {
  height: 72vh; max-height: 720px;
  top: -10vh; right: -6vh;
  z-index: 0;
}

.wordmark {
  grid-column: 1 / -1;
  align-self: end;
  position: relative; z-index: 1;
  margin: 0 0 0 -0.04em; /* optical: pull the T's side bearing to the gutter */
  font: 400 min(13.7vw, 300px)/0.82 var(--font-display);
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.hero__tagline {
  grid-column: 1; grid-row: 2; align-self: end;
  max-width: 34ch; margin-top: var(--s-6);
  font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em;
}
.hero__aside {
  grid-column: 2; grid-row: 2; align-self: end;
  display: grid; justify-items: end; gap: var(--s-2);
  margin-top: var(--s-6);
}
.hero__micro { max-width: 34ch; text-align: right; font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; grid-template-rows: 44svh auto 1fr; padding-bottom: var(--s-5); }
  .chrome--hero { height: 40vh; top: -6vh; right: -14vh; }
  .wordmark { font-size: 17vw; }
  .hero__tagline { grid-column: 1; grid-row: 2; margin-top: var(--s-5); }
  .hero__aside { grid-column: 1; grid-row: 3; justify-items: start; margin-top: var(--s-5); }
  .hero__micro { text-align: left; }
}

/* Phone call bar: appears once the hero has scrolled away (main.js). */
.ctabar { display: none; }
@media (max-width: 767px) {
  html { scroll-padding-bottom: 80px; }
  .ctabar {
    display: block;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
    background: var(--ink);
    transform: translateY(100%);
    visibility: hidden;
    transition: transform 300ms var(--ease-out), visibility 0s linear 300ms;
  }
  .ctabar.is-shown { transform: none; visibility: visible; transition: transform 300ms var(--ease-out); }
  .ctabar__link {
    display: flex; align-items: center; justify-content: center;
    min-height: 56px; padding: var(--s-2) var(--gutter);
    color: var(--paper); font-size: var(--t-sm); letter-spacing: 0.04em; text-decoration: none;
  }
  .ctabar__link:focus-visible { outline: 3px solid var(--accent-green); outline-offset: -6px; }
}

/* Motion: one load moment for the wordmark; headline lines rise as they arrive. Chrome objects stay still. */
@media (prefers-reduced-motion: no-preference) {
  .wordmark { animation: rise 700ms var(--ease-out) both; }
  html.js [data-reveal] .line {
    opacity: 0; transform: translateY(24px);
    transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
  }
  html.js [data-reveal].is-in .line { opacity: 1; transform: none; }
  html.js [data-reveal] .line:nth-child(2) { transition-delay: 80ms; }
  html.js [data-reveal] .line:nth-child(3) { transition-delay: 160ms; }
  html.js [data-reveal] .line:nth-child(4) { transition-delay: 240ms; }
}
@media (prefers-reduced-motion: reduce) {
  .ctabar, .ctabar.is-shown { transition: none; }
}
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }

.line { display: block; }
.nowrap { white-space: nowrap; }
@media (max-width: 760px) {
  /* Manual breaks are for wide screens; on phones headlines flow. */
  .line { display: inline; }
}

/* Promise: headline bottom-left, note offset top-right (spec 5.2). */
.promise {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--s-3);
}
.promise__note {
  grid-column: 8 / -1;
  display: grid; gap: var(--s-3);
  max-width: 34ch;
}
.promise__trust { font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em; }
.promise__title { grid-column: 1 / -1; margin-top: var(--s-8); }

/* What we look for first */
.look {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--s-3);
}
.look__title { grid-column: 1 / 9; }
.doodle--bell { top: calc(var(--edge) + var(--s-6)); right: calc(var(--gutter) + 4vw); transform: rotate(7deg); }
.look__list {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: repeat(2, minmax(0, 34ch));
  justify-content: end;
  gap: var(--s-6) var(--s-7);
  margin-top: var(--s-7);
}
.look__list li:nth-child(even) { transform: translateY(var(--s-6)); }
.look__close {
  grid-column: 1 / 7;
  max-width: 34ch; margin-top: var(--s-8);
  font: 400 var(--t-md)/0.95 var(--font-display); letter-spacing: -0.015em;
}

/* What we do */
.work__title { position: relative; }
.doodle--megaphone { top: calc(var(--edge) + var(--pad) - var(--s-3)); right: var(--gutter); transform: rotate(-6deg); }
.work__blocks {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-6) var(--s-5);
  margin-top: var(--s-7);
}
.work__block { display: grid; align-content: start; gap: var(--s-3); max-width: 40ch; }
.work__head { font: 400 var(--t-md)/0.95 var(--font-display); letter-spacing: -0.015em; }
.terms {
  display: grid; gap: var(--s-1);
  font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em;
}
.terms li { padding-left: 1.2em; text-indent: -1.2em; }
.terms li::before { content: "+"; display: inline-block; width: 1.2em; text-indent: 0; }
.work__close { max-width: 46ch; margin-top: var(--s-8); margin-left: auto; }

@media (max-width: 760px) {
  .promise__note, .promise__title, .look__title, .look__close { grid-column: 1 / -1; }
  .promise__title { margin-top: var(--s-6); }
  .look__title { padding-right: 22vw; }
  .look__list { grid-template-columns: minmax(0, 34ch); justify-content: start; gap: var(--s-4); margin-top: var(--s-6); }
  .look__list li:nth-child(even) { transform: none; }
  .look__close { margin-top: var(--s-6); }
  .doodle--bell { top: calc(var(--edge) + var(--pad) - var(--s-2)); right: var(--gutter); }
  .doodle--megaphone { display: none; }
  .work__blocks { grid-template-columns: 1fr; margin-top: var(--s-6); }
  .work__close { margin-top: var(--s-6); }
}

/* Chrome objects that cross a diagonal live between sections (a section's clip-path would cut them).
   Half of one reaches into each neighbour's padding (192px on wide screens), so it stays under 360px. */
main { overflow-x: clip; }
.straddle { position: relative; z-index: 3; height: 0; }

/* The offer */
.callout {
  max-width: 40ch; margin-inline: auto;
  text-align: center;
  font-size: clamp(18px, 1.8vw, 28px); line-height: 1.3;
}
.is-red { color: var(--accent-red); }
.offer__title { margin-top: var(--s-8); }
.steps {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-5) var(--s-4);
  margin-top: var(--s-7);
}
.step { display: grid; align-content: start; gap: var(--s-2); max-width: 30ch; }
.step__num { font: 400 var(--t-xl)/0.82 var(--font-display); font-variant-numeric: tabular-nums; }
.step__head { margin-top: var(--s-2); font: 400 clamp(20px, 1.8vw, 28px)/1 var(--font-display); letter-spacing: -0.01em; }
.step p { font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em; }

/* Arrow CTA: the offer banner. A 2px green shell with a paper inset, so the outline survives the clip. */
.arrow-cta {
  --g: var(--accent-green);
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center;
  min-height: 64px;
  margin-top: var(--s-7);
  padding: var(--s-2) var(--s-6) var(--s-2) var(--s-3);
  background: var(--g); color: var(--g);
  font: 400 clamp(18px, 2vw, 30px)/1 var(--font-display);
  letter-spacing: 0.01em; text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 44px) 0, 100% 50%, calc(100% - 44px) 100%, 0 100%);
}
.arrow-cta::before {
  content: ""; position: absolute; inset: 2px; z-index: -1;
  background: var(--paper);
  clip-path: polygon(0 0, calc(100% - 43px) 0, 100% 50%, calc(100% - 43px) 100%, 0 100%);
}
.arrow-cta:hover, .arrow-cta:focus-visible { color: var(--ink); outline: none; }
.arrow-cta:hover::before, .arrow-cta:focus-visible::before { background: transparent; }
.arrow-cta:focus-visible { text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 5px; }

@media (max-width: 1000px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  /* A crossing object may reach only into padding: 64px each side of the edge on phones. */
  .callout { text-align: left; margin-inline: 0; }
  .offer__title { margin-top: var(--s-6); }
  .steps { grid-template-columns: 1fr; margin-top: var(--s-6); }
  .arrow-cta { margin-top: var(--s-6); }
}

/* Who we are */
.about {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--s-3);
}
.about__title { grid-column: 1 / 8; }
.about__note { grid-column: 1 / 6; margin-top: var(--s-4); max-width: 34ch; }
.founders {
  grid-column: 1 / 10;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-6) var(--s-5);
  margin-top: var(--s-7);
}
.founder { display: grid; align-content: start; gap: var(--s-2); max-width: 34ch; }
.founder__photo { width: clamp(160px, 18vw, 240px); aspect-ratio: 1; object-fit: cover; margin-bottom: var(--s-2); }
.founder__name { font: 400 var(--t-md)/1.08 var(--font-display); letter-spacing: -0.015em; }
.founder__role, .founder__lines { font-size: var(--t-sm); line-height: 1.4; letter-spacing: 0.02em; }
.founder__lines { display: grid; gap: var(--s-1); }
.doodle--star { right: calc(var(--gutter) + 6vw); bottom: var(--pad); transform: rotate(-8deg); }

/* FAQ: sentence-case answers, no dividers; spacing and the +/- mark carry the structure. */
.faq__list { display: grid; gap: var(--s-2); max-width: 900px; margin-top: var(--s-7); }
.faq__item summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  min-height: 56px; padding-block: var(--s-1);
  cursor: pointer; list-style: none;
  font: 400 clamp(18px, 1.8vw, 28px)/1.05 var(--font-display); letter-spacing: -0.01em;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; flex: none; font-family: var(--font-body); font-weight: 500; }
.faq__item[open] summary::after { content: "\2212"; }
.faq__item p {
  max-width: 60ch; padding: var(--s-1) 0 var(--s-4);
  text-transform: none;
  font: 400 var(--t-lg)/1.5 var(--font-body); letter-spacing: 0;
}

/* Final call to action */
/* The curl render is 256x219: kept near its real size so it stays sharp. */
.chrome--curl { --size: min(40vh, 240px); height: var(--size); top: calc(var(--size) / -2); left: calc(var(--size) / -4); }
.final { display: grid; justify-items: start; gap: var(--s-6); padding-bottom: var(--s-8); }
.final__title { justify-self: end; text-align: right; }

@media (max-width: 760px) {
  .about__title, .about__note, .founders { grid-column: 1 / -1; }
  .founders { grid-template-columns: 1fr; margin-top: var(--s-6); }
  .doodle--star { display: none; }
  .faq__list { margin-top: var(--s-5); }
  .chrome--curl { --size: min(20vh, 120px); left: -40px; }
  .final__title { justify-self: start; text-align: left; }
}

/* Inner pages: booked, legal, privacy, 404 */
.subhead {
  display: flex; justify-content: space-between; align-items: center; gap: var(--s-3);
  padding: var(--s-2) var(--gutter);
}
.subhead__home {
  display: inline-flex; align-items: center; min-height: 44px;
  font: 400 clamp(22px, 2vw, 32px)/1 var(--font-display); letter-spacing: -0.02em; text-decoration: none;
}
.subhead__cta {
  display: inline-flex; align-items: center; min-height: 44px;
  font-size: var(--t-sm); letter-spacing: 0.02em;
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px;
}
.page { padding: var(--s-7) var(--gutter) var(--s-8); }
.page__title { font: 400 var(--t-xl)/0.88 var(--font-display); letter-spacing: -0.02em; }
.page__lead { margin-top: var(--s-4); max-width: 34ch; }
.page__links, .page__actions { margin-top: var(--s-6); display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); }
.page__links a, .page__home { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--t-sm); letter-spacing: 0.02em; }

/* Long-form copy: sentence case, readable measure. */
.prose {
  max-width: 68ch; margin-top: var(--s-6);
  text-transform: none;
  font: 400 clamp(16px, 1.1vw, 18px)/1.6 var(--font-body); letter-spacing: 0;
}
.prose h2 {
  margin-top: var(--s-6);
  text-transform: uppercase;
  font: 400 clamp(22px, 2vw, 30px)/1 var(--font-display); letter-spacing: -0.01em;
}
.prose p, .prose ul, .prose .facts { margin-top: var(--s-2); }
.prose .page__lead { margin-top: 0; max-width: none; }
.prose ul { padding-left: 1.2em; list-style: square; }
.prose li + li { margin-top: var(--s-1); }
.prose strong { font-weight: 500; }
.facts { display: grid; gap: var(--s-2); }
.facts div { display: grid; grid-template-columns: 12ch 1fr; gap: var(--s-2); }
.facts dt { text-transform: uppercase; font-weight: 500; font-size: var(--t-sm); letter-spacing: 0.02em; padding-top: 0.2em; }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.facts a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 760px) {
  .page { padding-block: var(--s-5) var(--s-7); }
  .facts div { grid-template-columns: 1fr; gap: 0; }
}